Aphelinus is a genus of parasitoid wasps. Several of the species are important because they parasitize agricultural pests, such as the soybean aphid (aphelinus certus) or the Russian wheat aphid -Diuraphis noxia - (A. albipodus Hayat & Fatima, A. asychis Walker, and A. varipes (Foerster). About 50 species have been described. ==Partial species lis...Found on http://en.wikipedia.org/wiki/Aphelinus